Fix pnacl-ld's handling of private libraries.
Fix pnacl-ld's handling of private libraries.

Private libraries need to be before their non-private equivalent, but their total ordering needs to be preserved. This was already implied by other parts of the driver script, but it was being messed up by pnacl-ld.

This change should unblock the roll of NaCl into Chrome.

R=jvoung@chromium.org

Review URL: https://codereview.chromium.org/24131003

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@12170 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client